CN2125151U - Optical fibre cutting machine - Google Patents

Abstract

The utility model relates to an optical fiber cutting machine, which comprises a machine box, a machine cover, a machine frame, a cutter frame part mounted on the machine frame, the height adjusting part of a cutter, an optical fiber clamping part, a sliding block tightening mechanism, a pulling force adjusting and indicating part, a cutter slowly-entering mechanism, the driving and reversing mechanism of the operation cutter, a cutter anti-mistaken entering mechanism and an ultrasonic wave circuit, wherein, the sliding block tightening mechanism ensures the optical fiber have a horizontal pulling force, which can enhance the cutting quality; the ultrasound cutter, the cutter slowly-entering and the anti-mistaken entering mechanisms are adopted to effectively and better cut. The light guide fiber cut by the optical fiber cutting machine has high quality. The optical fiber cutting machine can be used for the fields of optical fiber communication, etc.

Description

Optical fibre cutting machine

The utility model belongs to the light transmitting fiber cutting machine, particularly ultrasonic light transmitting fiber cutting machine.

Development along with optical fiber technology, its application is increasingly extensive, no matter fiber optics is applied in those aspects, all relating to optical fiber and optical fiber connects, or optical fiber and device coupling, the fiber end face quality is most important so, and existing job operation has grinding, adopts hand cut or utensil cutting etc., but the working (machining) efficiency of these methods low, of poor quality, be unfavorable for using.

The purpose of this utility model provides a kind of light transmitting fiber cutting machine, uses this cutting machine can obtain high-quality fiber end face, and machine is easy to use, the reliability height.

For achieving the above object, the utility model shows accompanying drawings by the following technical solutions:

Fig. 1: light transmitting fiber cutting machine structure synoptic diagram

The vertical view of Fig. 2: Fig. 1

The left view of Fig. 3: Fig. 1

Fig. 4: optical fiber clamping mechanism figure

The vertical view of Fig. 5: Fig. 4

Fig. 6: draw-bar donamometer structural representation

The left view of Fig. 7: Fig. 6

Fig. 8 a, Fig. 8 b, Fig. 8 c: anti-errorly advance three kinds of constitutional diagrams of mechanism

Fig. 9: ultrasonic circuit diagram

Among Fig. 1, Fig. 2, Fig. 3,1 is diamond segment, and cutter head is loaded on knife bar 2 front ends Also glue is solid in the groove, and piezoelectric ceramics 73 is solid with knife bar glue, and 45 is the cutter holder, 72 connecting plates, knife bar 2 is fixed in the cutter holder 45 by screw 46, and the cutter holder is fixed on the connecting plate by screw 47, adjustment screw 46 can change blade and optical fiber perpendicularity, and screw 47 can be regulated the cutter front and back position. Spring leaf 57,64, they are fixed with connecting plate 72, base 60 respectively by screw 61.

Among Fig. 1, Fig. 2, Fig. 3,63 for being positioned at the block of base both sides, be fixed on the frame 17 with screw 62, base 60 is fixed on the frame 17 by screw 59, on 59 with spring 58, on the frame 17 groove is arranged, skewback 56 is positioned at groove, and its inclined-plane withstands on the front lower place of base 60, connects spring 55 between the projection of wedge and the base 60, a set screw 30 is pushed up in the wedge protruding part, screw one end penetrates on the frame 17, the position of set screw 30, and wedge is thereupon mobile, the knife rest action of under the effect of wedge, rising and falling, thus the height of cutter regulated.

Among Fig. 1, Fig. 2,40 is light transmitting fiber, and 43 is the V-type groove, and it is placed in the groove of frame 17 and slide block 28, solid by jackscrew 42 tops, unclamps the replaceable V-type groove of jackscrew, with the light transmitting fiber of the different-diameter that is installed.See Fig. 4, Fig. 5 for details, among the figure, 10 is pressing plate, 96 is handle, and they are fixed on the frame by axle 98,95, and connecting rod 39(is a flexible member) pressing plate 10, handle 96 are hinged, lift handle 96, pressing plate 10 also is lifted, otherwise, press down handle, optical fiber 40 is just compacted, continues to press down handle 96, the horizontal level of axle 95 and axle 97 can be crossed in the position of axle 94, because connecting rod 39 elastic reactions make the press plate mechanism self-locking, with the purpose of pressed fiber.

Among Fig. 1, Fig. 2,28 for slide block, it is through on the frame 17 by guide rod 27, its side is by spring 29 roof pressures, 31 is the jacking block that is connected with spring, and 32 is to regulate to use screw, and it can change the pressure of 29 pairs of slide blocks 28 of spring, thereby change pulling force to optical fiber 40,11 connecting rods, its end and slide block 28 join, and the other end is an annulus, stayed mast 12 is entangled, when slide block 28 moves, draw-bar donamometer pointer 23 also will rotate thereupon, and 21 is support, 77 is back shaft, 16 springs, it is pressed on the draw-bar donamometer body, 15 adjusting screw.

Fig. 6, among Fig. 7,12 is the draw-bar donamometer bar, 19 are the table body, 103 is latch plate, by screw 102 latch plate is fixed on the table body 19, by axle 99 draw-bar donamometer bar 12 is fixed on the table body 19, by axle 104 roller 100 and draw-bar donamometer bar are joined, 101 is gear, and an end passes table body 19 and drives pointer 23, when 12 swings of draw-bar donamometer bar, the elastic force of latch plate 103 can affact on the table bar 12, Here it is the intrinsic elastic force of draw-bar donamometer utilizes this elastic force, set screw 15, table body 19 is rotated, the indicating positions of pulling force indicator 23 also changes thereupon, also changes the acting force of the inner elastic force of draw-bar donamometer to slide block simultaneously, plays the fine setting pulling force, fine setting pulling force purpose of indicating.

Fig. 1, Fig. 2, among Fig. 3,33 is cam, 36 be the axle, 50 is spring, by key 34 with 33,36 is fixing, an end of 36 is inserted on the frame 17, push rod 37 is between cam and knife rest, and when cam 33 rotated, push rod 37 will be along with move front and back, reach the purpose of tool operating feeding and withdrawing, additional one anti-errorly enters mechanism and (sees Fig. 8 a on the operation delivering gear, Fig. 8 b, Fig. 8 c), it comprises pin 90, is with spring 89 on the pin, press a spring 88 behind the pin, spring 88 elastic force are greater than spring 89, and spring 88 is pressed on the tappet 87, and tappet 87 contacts with cam 84,26 for connecting the axle of cam 84 and cam 25, and 85 is crank.

Among Fig. 8 a, push rod 37 pushes up back knife rest 72 under the effect of cam 33, the conical surface of push rod 37 pushes up back pin 90 simultaneously, spring 88 by compression at this moment, when cam 33 is rotated further when push rod 37 pushed up the position of pin 90, spring 88 resiliences, compression spring 89, push pin 90 simultaneously and advance, push rod 37 is blocked (see figure 8) at this moment be on the position that slide block is pushed up back, at this moment do not have pulling force to move on the optical fiber of being pushed down by pressing plate 10 and pressing plate 44 with the coaxial cam 25 of cam 84, even rotate cam 33, cutter can not advance yet and cut the optical fiber that does not have pulling force, to prevent invalid cutting, when rotation axis 26, cam 25 also rotates with cam 84 thereupon, slide block 28 will be by pressing plate 10 under the promotion of spring 29, the optical fiber tension that pressing plate 44 is pushed down, spring 89 resiliences simultaneously, pin 90 is drawn back before push rod 37, cutter can advance and cut the optical fiber that is added with pulling force, reaches effective cutting purpose when rotating cam 33 this moment.

Among Fig. 1, Fig. 2, Fig. 3, also have cutter to delay into mechanism, its structure is: on spring leaf 64, wear a connecting rod 66, and fixing with nut 65, the connecting rod other end and piston 70 are hinged, 67 is cylinder body, it is metering pin valve that piston is positioned at cylinder body 67,68, and needle-valve is supported on above the frame 17, the needle-valve outlet communicates with cylinder body 67, top one spring 71 between spring leaf 64 and frame 17.

Among Fig. 1, Fig. 3,6 is microscope, 3 focusing of microscope knobs, and 38 catoptrons, the situation that can observe the optical fiber bottom surface has had this mechanism, and the light transmitting fiber cut quality is improved.

Stressed the mechanical part of cutting machine above, ultrasonic circuit can be chosen any one kind of them, if adopt the ultrasonic circuit of Fig. 9, its good operation reliability.

Among Fig. 9, comprise the sonic oscillation part, the power amplifier part, timing controlled part and output, oscillating part: it comprises ic chip L8038, regulates resistance R 1, R2, C1, W1 are that oscillation circuit is adjusted element, its output termination one surge damping circuit R4, W2 and coupling capacitance C2.

The power amplifier part: it comprises current collecting piece LM386, and C3 and load C 4, R5, coupling capacitance C7, step-up transformer BT1, TD are piezoelectric ceramics (among Fig. 3 73), and piezoelectric ceramics obtains the high pressure sine wave, produces big displacement, promotes the cutter head cutting optical fibre, and LED is a pilot lamp.

The timing controlled part: it comprises power supply comparer LM311, current-limiting resistance R8, and timing capacitor C5, W3, R9 are sectional pressure element.After the microswitch closure, electric current charges to C5 through R8, adjust the 3 pin voltages that W3 changes LM311, when C5 charges, when the voltage on the C5 reaches voltage on 3 pin of LM311, LM311 output becomes low level by high level, transistor ZSA781 is ended, and circuit quits work, and disconnects among microswitch K1(Fig. 2 52), C5 discharges rapidly by D1, waits for the beginning of next time working.Microswitch is subjected to the control on cam 33 and push rod 37 inclined-planes, and when cam 33 rotates, push rod 37 retreats, and knife rest is when advancing, microswitch K closure, and energized, circuit is started working.

Advantage of the present utility model: the utility model has adopted the slide block tensioning mechanism, make optical fiber that one horizontal pull be arranged, can improve cut quality, adopted the cutter height adjustment mechanism, the contact position of scalable blade and optical fiber to be to select the cutting of blade, adopts cutter to delay into that mechanism and cutter are anti-error enters mechanism, can accomplish effectively and better cutting, owing to adopted the cutter of certain ultrasonic frequency vibration, cutting speed height, quality are good.

Claims (3)

1, a kind of light transmitting fiber cutting machine, it is characterized in that it comprises cabinet, cover, frame, rack-mounted knife rest part, the cutter height is regulated part, light transmitting fiber clamping part, and slide block tensioning mechanism, pulling force regulate that indicating section, tool operating driving and reversing mechanism and cutter are anti-error to advance mechanism, ultrasonic circuit:

(1) knife rest part: it comprises: cutter holder 45, knife bar 2, cutter head 1 is contained in the interior glue of groove of knife bar front end and consolidates, piezoelectric ceramics 73 is solid with knife bar glue, knife bar is fixed in the cutter holder by screw 46, the cutter holder is fixed on the connecting plate 72 by screw 47, also include base 60, two spring leafs 57,64 are housed between connecting plate 72 and base 60

(2) the cutter height is regulated part: it comprises: the block 63 that is positioned at the base both sides, it is fixed on the frame 17 by screw 62, the screw retention of base 60 by having spring is on frame 17, on the frame 17 groove is arranged, skewback 56 is positioned at groove, and its sloped roof is in the front lower place of base 60, connect spring 55 between the projection of wedge and the base 60, an adjusting screw 30 is pushed up in the wedge protruding part, and screw one end penetrates on the frame 17

(3) light transmitting fiber clamping part: it comprises: V-type groove 43, optical fiber 40 is positioned at the V-type groove, the V-type groove is placed in the groove of frame 17 and slide block 28, solid by jackscrew 42 tops, be pressed with pressing plate 10 on the optical fiber, it is fixed on the frame by axle 98, and pressing plate 10 is hinged by connecting rod 39 and handle 96, handle 96 is fixed on the frame by axle 95

(4) slide block tensioning mechanism and pulling force are regulated indicating section: it comprises slide block 28, it is through on the frame 17 by guide rod 27, its side is by spring 29 roof pressures, and spring connects a jacking block 31, and jacking block 31 other ends contact with set screw 32, slide block 28 joins with connecting rod 11, the connecting rod other end is an annulus, and stayed mast 12 is entangled, and a set screw 15 is arranged on the draw-bar donamometer body 19, press a spring 16 on the draw-bar donamometer body

(5) tool operating driving and reversing mechanism: it comprises: cam 33, axle 36, fixing with 33,36 by key 34, an end of 36 is inserted on the frame 17, push rod 37 between cam and knife rest,

(6) cutter is anti-error enters mechanism: it comprises: pin 90, be with spring 89 on the pin, and press a spring 88,88 to be pressed on the Cobalt bar 87 behind the pin, tappet 87 contacts with cam 84,26 axles for connection cam 84 and cam 25,85 is crank,

(7) cutter delays into mechanism: it comprises: be fixed on the connecting rod 66 on the spring leaf 64, the connecting rod other end and piston 70 are hinged, and piston is positioned at cylinder body 67,68 is metering pin valve, needle-valve is supported on the frame 17, and the needle-valve outlet communicates with cylinder body 67, top one spring 11 between spring leaf 64 and frame 17.

2, by the described light transmitting fiber cutting machine of claim 1, it is characterized in that it also comprises the microscopy part, described microscopy partly comprises microscope 6, focusing of microscope knob 3, and the catoptron 38 that is contained in the optical fiber bottom,

3, by claim 1 or 2 described light transmitting fiber cutting machines, it is characterized in that described ultrasonic circuit also comprises timing control circuit, described timing control circuit is by voltage comparator, current-limiting resistance R8, timing capacitor C5, resistance R 9, W3 sectional pressure element, triode and microswitch K form.

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